Chaosblade vulnerable to OS command execution

published 2024-09-18 2 y ago modified 2026-06-17 4 mo ago also GHSA-723h-x37g-f8qm , GO-2024-3133 , EUVD-2024-2740

cvss: 8.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.7%; EPSS 1.7% chance of exploitation in 30 days, percentile 76%
public exploits: 0; none known, plus a Nuclei check

exec.CommandContext in Chaosblade 0.3 through 1.7.3, when server mode is used, allows OS command execution via the cmd parameter without authentication.

Patch / fix

fixed in 1 links 1

go github.com/chaosblade-io/chaosblade 1.7.4

github.com/chaosblade-io/chaosblade@6bc73c3 commit

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-09-18)

Exploit prediction

1.67% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

Nuclei template Chaosblade < 1.7.4 - Remote Code Execution nuclei detection template

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	8.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
CNA	3.1	8.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
GitHub	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
go	github.com/chaosblade-io/chaosblade	>=0.0.3, <1.7.4	1.7.4

Affected products

chaosblade chaosblade

Classification

Weakness

CWE-78 Improper Neutralization of Special Elements used in an OS Command
CWE-95 Improper Neutralization of Directives in Dynamically Evaluated Code

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary